Overview
The LPC2420FBD208 is a 16-bit/32-bit microcontroller designed by NXP Semiconductors, based on the ARM7TDMI-S CPU core. This microcontroller is part of the LPC2400 series and is known for its robust set of features and versatile applications. It is particularly suited for industrial control, medical systems, and communication gateways due to its advanced serial communication interfaces and memory management capabilities.
Key Specifications
| Specification | Details |
|---|---|
| CPU Core | ARM7TDMI-S |
| Flash Memory | N/A (Flashless) |
| SRAM | 64 kB (local SRAM) + 16 kB (Ethernet) + 16 kB (GP DMA) + 2 kB (battery powered SRAM) |
| External Memory Controller | Yes |
| Serial Communication Interfaces | Synchronous Serial Ports (SSP), three I2C interfaces, I2S interface |
| Internal Oscillator | 4 MHz internal precision oscillator |
| ADC/DAC | 10-bit ADC, 10-bit DAC |
| PWM Units | Two PWM units |
| GPIO | Up to 160 fast GPIO lines |
| Interrupts | Four external interrupt pins, Vector Interrupt Controller (VIC) |
| Temperature Range | -40°C to +85°C |
| Package | LQFP208 (plastic low profile quad flat package; 208 leads) |
Key Features
- Advanced CPU Core: The LPC2420FBD208 features an ARM7TDMI-S CPU core, providing a balance between 16-bit and 32-bit processing capabilities.
- Robust Memory Management: Includes 64 kB of local SRAM, 16 kB of SRAM for Ethernet, 16 kB of SRAM for general-purpose DMA, and 2 kB of battery-powered SRAM.
- Extensive Serial Communication: Supports Synchronous Serial Ports (SSP), three I2C interfaces, and an I2S interface.
- Precision Oscillator: Equipped with a 4 MHz internal precision oscillator.
- Analog to Digital Converters (ADC) and Digital to Analog Converters (DAC): Features a 10-bit ADC and a 10-bit DAC.
- Pulse Width Modulation (PWM): Includes two PWM units.
- GPIO and Interrupts: Offers up to 160 fast GPIO lines and four external interrupt pins, with a Vector Interrupt Controller (VIC).
Applications
- Industrial Control: Suitable for industrial control systems due to its robust set of features and reliable performance.
- Medical Systems: Used in medical devices requiring precise and reliable control.
- Communication Gateways and Protocol Converters: Ideal for communication gateways and protocol converters due to its advanced serial communication interfaces.
- Automotive Systems: Can be used in automotive applications that require high performance and reliability.
Q & A
- What is the CPU core of the LPC2420FBD208?
The LPC2420FBD208 is based on the ARM7TDMI-S CPU core.
- How much SRAM does the LPC2420FBD208 have?
The LPC2420FBD208 has 64 kB of local SRAM, 16 kB of SRAM for Ethernet, 16 kB of SRAM for general-purpose DMA, and 2 kB of battery-powered SRAM.
- What serial communication interfaces does the LPC2420FBD208 support?
The LPC2420FBD208 supports Synchronous Serial Ports (SSP), three I2C interfaces, and an I2S interface.
- What is the temperature range of the LPC2420FBD208?
The temperature range is -40°C to +85°C.
- What package options are available for the LPC2420FBD208?
The LPC2420FBD208 is available in LQFP208 (plastic low profile quad flat package; 208 leads) and TFBGA208 (plastic thin fine-pitch ball grid array package; 208 balls).
- Does the LPC2420FBD208 have flash memory?
No, the LPC2420FBD208 is a flashless microcontroller.
- What are the key applications of the LPC2420FBD208?
The key applications include industrial control, medical systems, communication gateways, and protocol converters.
- How many GPIO lines does the LPC2420FBD208 have?
The LPC2420FBD208 has up to 160 fast GPIO lines.
- Does the LPC2420FBD208 support Ethernet?
Yes, the LPC2420FBD208 supports Ethernet with 16 kB of dedicated SRAM.
- What is the purpose of the Vector Interrupt Controller (VIC) in the LPC2420FBD208?
The Vector Interrupt Controller (VIC) allows external inputs to generate edge-triggered interrupts.
